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Implement the new field api for the Heinrichs Weikamp devices.

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This commit is contained in:
Jef Driesen 2010-11-25 22:00:38 +01:00
parent 061e647ecf
commit 04481198e7
1 changed files with 38 additions and 1 deletions
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39
src/hw_ostc_parser.c
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@ -41,6 +41,7 @@ typedef struct hw_ostc_sample_info_t {
static parser_status_t hw_ostc_parser_set_data (parser_t *abstract, const unsigned char *data, unsigned int size);
static parser_status_t hw_ostc_parser_get_datetime (parser_t *abstract, dc_datetime_t *datetime);
static parser_status_t hw_ostc_parser_get_field (parser_t *abstract, parser_field_type_t type, unsigned int flags, void *value);
static parser_status_t hw_ostc_parser_samples_foreach (parser_t *abstract, sample_callback_t callback, void *userdata);
static parser_status_t hw_ostc_parser_destroy (parser_t *abstract);
@ -48,7 +49,7 @@ static const parser_backend_t hw_ostc_parser_backend = {
PARSER_TYPE_HW_OSTC,
hw_ostc_parser_set_data, /* set_data */
hw_ostc_parser_get_datetime, /* datetime */
NULL, /* fields */
hw_ostc_parser_get_field, /* fields */
hw_ostc_parser_samples_foreach, /* samples_foreach */
hw_ostc_parser_destroy /* destroy */
};
@ -129,6 +130,42 @@ hw_ostc_parser_get_datetime (parser_t *abstract, dc_datetime_t *datetime)
return PARSER_STATUS_SUCCESS;
}
static parser_status_t
hw_ostc_parser_get_field (parser_t *abstract, parser_field_type_t type, unsigned int flags, void *value)
{
const unsigned char *data = abstract->data;
unsigned int size = abstract->size;
// Check the profile version
if (size < 47 || data[2] != 0x20)
return PARSER_STATUS_ERROR;
gasmix_t *gasmix = (gasmix_t *) value;
if (value) {
switch (type) {
case FIELD_TYPE_DIVETIME:
*((unsigned int *) value) = array_uint16_le (data + 10) * 60 + data[12];
break;
case FIELD_TYPE_MAXDEPTH:
*((double *) value) = array_uint16_le (data + 8) / 100.0;
break;
case FIELD_TYPE_GASMIX_COUNT:
*((unsigned int *) value) = 6;
break;
case FIELD_TYPE_GASMIX:
gasmix->oxygen = data[19 + 2 * flags] / 100.0;
gasmix->helium = data[20 + 2 * flags] / 100.0;
gasmix->nitrogen = 1.0 - gasmix->oxygen - gasmix->helium;
break;
default:
return PARSER_STATUS_UNSUPPORTED;
}
}
return PARSER_STATUS_SUCCESS;
}
static parser_status_t
hw_ostc_parser_samples_foreach (parser_t *abstract, sample_callback_t callback, void *userdata)